Qu Wenruo b086c5bd99 btrfs: subpage: make writer lock utilize bitmap ...

For the writer counter, it's pretty much the same as the reader counter,
and they are exclusive.  So move them to the new locked bitmap.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

2024-03-05 17:13:23 +01:00

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